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Finding the Fourth Proportional to 1,566,977.40, 2,352,923.70 and 903,425.40

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Solution

The fourth proportional to 1,566,977.40, 2,352,923.70 and 903,425.40 is: 1,356,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,977.40 : 2,352,923.70 = 903,425.40 : x
  2. Step 2: Convert to fraction form
    1,566,977.40/2,352,923.70 = 903,425.40/x
  3. Step 3: Cross multiply
    1,566,977.40x = 2,352,923.70 × 903,425.40
  4. Step 4: Simplify right side
    1,566,977.40x = 2,125,691,034,841.98
  5. Step 5: Solve for x
    x = 2,125,691,034,841.98/1,566,977.40
  6. Step 6: Final answer
    x = 1,356,555.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.